fix issue with stale metadata throwing errors

.idea/vcs.xml

@@ -1,5 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GitSharedSettings">
+    <option name="FORCE_PUSH_PROHIBITED_PATTERNS">
+      <list />
+    </option>
+    <option name="synchronizeBranchProtectionRules" value="false" />
+  </component>
   <component name="VcsDirectoryMappings">
     <mapping directory="" vcs="Git" />
   </component>

examples/shield test.ncpf.json

@@ -0,0 +1 @@
+{"addons":[],"configuration":{"nuclearcraft:overhaul_sfr":{"blocks":[{"name":"nuclearcraft:solid_fission_controller","type":"legacy_block"},{"name":"nuclearcraft:fission_vent","type":"legacy_block","blockstate":{"active":false}},{"name":"nuclearcraft:fission_vent","type":"legacy_block","blockstate":{"active":true}},{"name":"nuclearcraft:fission_casing","type":"legacy_block"},{"name":"nuclearcraft:fission_glass","type":"legacy_block"},{"metadata":2,"name":"nuclearcraft:fission_source","type":"legacy_block","blockstate":{"type":"californium"}},{"name":"nuclearcraft:solid_fission_cell","type":"legacy_block","modules":{"ncpf:block_recipes":{"recipes":[{"oredict":"ingotHEU233ZA","type":"oredict"}]}}},{"name":"nuclearcraft:fission_cell_port","type":"legacy_block","blockstate":{"active":false},"modules":{"ncpf:block_recipes":{"recipes":[{"oredict":"ingotHEU233ZA","type":"oredict"}]}}},{"name":"nuclearcraft:fission_cell_port","type":"legacy_block","blockstate":{"active":true},"modules":{"ncpf:block_recipes":{"recipes":[{"oredict":"ingotHEU233ZA","type":"oredict"}]}}},{"name":"nuclearcraft:heavy_water_moderator","type":"legacy_block"},{"metadata":0,"name":"nuclearcraft:fission_shield","type":"legacy_block","blockstate":{"active":false,"type":"boron_silver"}},{"metadata":0,"name":"nuclearcraft:fission_shield","type":"legacy_block","blockstate":{"active":true,"type":"boron_silver"}}],"coolant_recipes":[{"elements":[{"name":"water","type":"legacy_fluid"},{"name":"condensate_water","type":"legacy_fluid"}],"type":"list"}]}},"designs":[{"design":[[[3,3,3,3,3,3,3,3,3],[3,0,1,2,7,8,4,4,3],[3,4,4,4,4,4,4,4,3],[3,4,4,4,4,4,4,4,3],[3,4,4,4,4,4,4,4,3],[3,4,4,4,4,4,4,4,3],[3,3,3,3,3,3,3,3,3]],[[3,5,4,4,4,4,4,4,3],[4,6,-1,-1,-1,6,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[3,4,4,4,4,4,4,4,3]],[[3,4,4,4,4,4,4,4,3],[4,9,-1,-1,-1,9,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[3,4,4,4,4,4,4,4,3]],[[3,4,4,4,4,4,4,4,3],[4,10,-1,-1,-1,10,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[3,4,4,4,4,4,4,4,3]],[[3,4,4,4,4,4,4,4,3],[4,9,-1,-1,-1,9,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[3,4,4,4,4,4,4,4,3]],[[3,4,4,4,4,4,4,4,3],[4,6,9,11,9,6,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[3,4,4,4,4,4,4,4,3]],[[3,4,4,4,4,4,4,4,3],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[3,4,4,4,4,4,4,4,3]],[[3,4,4,4,4,4,4,4,3],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[4,-1,-1,-1,-1,-1,-1,-1,4],[3,4,4,4,4,4,4,4,3]],[[3,3,3,3,3,3,3,3,3],[3,4,4,4,4,4,4,4,3],[3,4,4,4,4,4,4,4,3],[3,4,4,4,4,4,4,4,3],[3,4,4,4,4,4,4,4,3],[3,4,4,4,4,4,4,4,3],[3,3,3,3,3,3,3,3,3]]],"block_recipes":[[[0,0]],[[0,0]],[[0,0]]],"type":"nuclearcraft:overhaul_sfr","coolant_recipe":0,"dimensions":[9,7,9]}],"version":1}

index.html

@@ -126,7 +126,7 @@
   </section>
 </aside>
 <footer>
-  <div>pre-alpha 1.6</div>
+  <div>alpha 1.8</div>
   <div>
     <a href="https://discord.gg/Eq72HwPqfg">Discord server</a>
   </div>
@@ -146,7 +146,7 @@
         Roadmap:
       </p>
       <ul>
-        <li>Reactor verification and stats</li>
+        <li>Reactor stats</li>
         <li>Casing improvements</li>
         <li>Keyboard shortcuts</li>
         <li>MSR support</li>

scripts/dev-mode.js

@@ -39,7 +39,7 @@ registerLoadCallback(() => {
   });
 
   awaitEvent("config:end").then(() => {
-    void loadExampleFile("Pandora's Fission Reactor");
+    void loadExampleFile("shield test");
   });
 
   queueMicrotask(() => emitEvent("dev-mode:end"));

scripts/files.js

@@ -132,7 +132,7 @@ export async function saveFile(name = undefined) {
                 if (!fullBlock || !fullBlock.modules || !("ncpf:block_recipes" in fullBlock.modules)) return;
 
                 const designIndex = designBlocksAtlasMap[Number(designAsCellData[x][y][z].tile)].designIndex;
-                const solverMetadata = getMetadata(designAsCellData[x][y][z].solverMetadata);
+                const solverMetadata = getMetadata(designAsCellData[x][y][z].metadata);
                 const minimizedBlock = minimizedBlocks[designIndex];
                 let recipeIndex = -1;
 
@@ -156,6 +156,8 @@ export async function saveFile(name = undefined) {
                   }
                 }
 
+                console.log(recipeIndex)
+
                 return recipeIndex;
               })
               .filter(b => b != null)

scripts/metadata.js

@@ -9,17 +9,19 @@ function createMetadata(data) {
   return id;
 }
 export function setDomMetadata(domNode, data) {
-  if (domNode.dataset.solverMetadata) {
+  if (domNode.dataset.metadata) {
-    metadata[Number(domNode.dataset.solverMetadata)] = data;
+    metadata[Number(domNode.dataset.metadata)] = data;
     return;
   }
-  domNode.dataset.solverMetadata = createMetadata(data).toString(10);
+  domNode.dataset.metadata = createMetadata(data).toString(10);
 }
 export function setCellMetadata(node, key, value) {
-  if (!node.dataset.solverMetadata) {
+  if (!node.dataset.metadata) {
-    node.dataset.solverMetadata = createMetadata({ [key]: value }).toString(10);
+    node.dataset.metadata = createMetadata({ [key]: value }).toString(10);
+  } else if (!metadata[Number(node.dataset.metadata)]) {
+    metadata[Number(node.dataset.metadata)] = { [key]: value };
   } else {
-    metadata[Number(node.dataset.solverMetadata)][key] = value;
+    metadata[Number(node.dataset.metadata)][key] = value;
   }
   processCellOverlays(node, key, true);
 }
@@ -27,8 +29,8 @@ export function setCellMetadata(node, key, value) {
 export function getMetadata(id) {
   if (typeof id === "object") {
     // assume DOM element
-    if (id.dataset && id.dataset.solverMetadata) {
+    if (id.dataset && id.dataset.metadata) {
-      return getMetadata(id.dataset.solverMetadata);
+      return getMetadata(id.dataset.metadata);
     }
     return null;
   }
@@ -38,21 +40,23 @@ export function getMetadata(id) {
   return metadata[id];
 }
 export function getCellMetadata(node, key) {
-  return metadata[Number(node.dataset.solverMetadata)][key];
+  if (!node.dataset.metadata) return null;
+  return metadata[Number(node.dataset.metadata)][key];
 }
 
 export function deleteMetadata(id) {
   if (typeof id === "object") {
     // assume DOM object
-    if (id.dataset && id.dataset.solverMetadata) {
+    if (id.dataset && id.dataset.metadata) {
       clearCellOverlays(id);
-      return deleteMetadata(id.dataset.solverMetadata);
+      return deleteMetadata(id.dataset.metadata);
     }
   }
   delete metadata[id];
 }
 export function clearCellMetadata(node, key) {
-  if (!node.dataset.solverMetadata) return;
+  if (!node.dataset.metadata) return;
-  delete metadata[Number(node.dataset.solverMetadata)][key];
+  if (!metadata[Number(node.dataset.metadata)]) return;
+  delete metadata[Number(node.dataset.metadata)][key];
   processCellOverlays(node, key, false);
 }

scripts/overlays.js

@@ -3,6 +3,8 @@ import { getAtlasIndexFromMetadata, makeAtlasImage } from "./atlas.js";
 
 export function processCellOverlays(node, key = null, added = null) {
   if (key) {
+    node.replaceChildren(...node.querySelectorAll(`:scope > *:not([data-overlay="${key}"])`));
+
     const metadata = getCellMetadata(node, key);
     const atlasIndex = getAtlasIndexFromMetadata(metadata);
     if (atlasIndex && atlasIndex !== -1) {
@@ -11,6 +13,14 @@ export function processCellOverlays(node, key = null, added = null) {
       overlayNode.classList.add("planner--overlay");
       node.appendChild(overlayNode);
     }
+
+    if (key === "active" && added) {
+      const overlayNode = makeAtlasImage(-1);
+      overlayNode.dataset.overlay = key;
+      overlayNode.dataset.active = metadata ? "true" : "false";
+      overlayNode.classList.add("planner--overlay");
+      node.appendChild(overlayNode);
+    }
     // FIXME: handle remove
   }
   // TODO: handle generic update

scripts/planner.js

@@ -6,7 +6,7 @@ import { initialize3dArray } from "./js-utils.js";
 import { recall, save } from "./storage.js";
 import { registerLoadCallback } from "./main.js";
 import { getBlockPickerActiveItem, getBlockPickerRecipe } from "./block-picker.js";
-import { clearCellMetadata, getMetadata, setCellMetadata } from "./metadata.js";
+import { clearCellMetadata, deleteMetadata, getMetadata, setCellMetadata } from "./metadata.js";
 import { retainTooltipHover } from "./tooltip.js";
 import { checkEquivalence, lookupFromMetadata, parseRuleAsString } from "./ncpf-utils.js";
 
@@ -250,13 +250,14 @@ function cellClickEvent(e) {
     if (e.target.tile === "-1") return;
 
     e.target.dataset.previewRemove = "yes";
-    clearCellMetadata(e.target, "block_recipe");
+    deleteMetadata(e.target);
   } else if (e.buttons === 1) {
     // add
     if (e.target.dataset.preview === activeItem.toString(10)) return;
 
     e.target.dataset.preview = activeItem.toString(10);
     e.target.replaceChildren(makeAtlasImage(activeItem));
+    deleteMetadata(e.target);
     const pickerRecipe = getBlockPickerRecipe();
     if (pickerRecipe) {
       setCellMetadata(e.target, "block_recipe", pickerRecipe);
@@ -324,7 +325,7 @@ export function getPlannerDom() {
   return document.getElementById("planner");
 }
 export function getPlannerCellsDom() {
-  return document.querySelectorAll("#planner [data-tile]");
+  return [...document.querySelectorAll("#planner [data-tile]")];
 }
 export function getPlannerCellDom(x, y, z) {
   return document.querySelector(`#planner [data-x="${x}"][data-y="${y}"][data-z="${z}"]`);
@@ -355,8 +356,14 @@ export function* getCellTooltip(cell) {
       if ("nuclearcraft:overhaul_sfr:fuel_stats" in recipe.modules) {
         const stats = recipe.modules["nuclearcraft:overhaul_sfr:fuel_stats"];
 
-        if (stats.self_priming) {
+        if (solverMetadata.primer) {
-          yield "Self-priming";
+          if (solverMetadata.primer.dom === cell) {
+            yield "Primed (self-priming)";
+          } else {
+            const direction = ["x", "y", "z"].flatMap((d) => solverMetadata.primer[d] !== cell.dataset[d] ? d : [])
+                .map(d => (Number(cell.dataset[d]) < Number(solverMetadata.primer[d]) ? "+" : "-") + d.toUpperCase())[0];
+            yield `Primed (${solverMetadata.primer.tile.modules["plannerator:display_name"].display_name}, ${direction})`;
+          }
         } else {
           yield "Not primed";
         }
@@ -366,7 +373,7 @@ export function* getCellTooltip(cell) {
             `Criticality: `,
             {
               type: "bold",
-              text: `0/${stats.criticality}`,
+              text: `${solverMetadata.flux ?? 0}/${stats.criticality}`,
             },
           ],
         };
@@ -378,6 +385,22 @@ export function* getCellTooltip(cell) {
     const moderator = data.modules["nuclearcraft:overhaul_sfr:moderator"];
     yield `Flux factor: ${moderator.flux}`;
     yield `Efficiency: ${moderator.efficiency}`;
+    yield {
+      type: "compound",
+      items: [
+        "Moderator ",
+        {
+          type: "bold",
+          text: solverMetadata?.active ? "active" : "inactive",
+        },
+        " for heat sinks",
+      ],
+    };
+    if (solverMetadata?.flux) {
+      for (const [axis, flux] of Object.entries(solverMetadata.flux)) {
+        yield `Flux on ${axis}: ${flux}`;
+      }
+    }
   }
 
   if ("nuclearcraft:overhaul_sfr:reflector" in data.modules) {
@@ -388,13 +411,19 @@ export function* getCellTooltip(cell) {
 
   if ("nuclearcraft:overhaul_sfr:heat_sink" in data.modules) {
     const heatSink = data.modules["nuclearcraft:overhaul_sfr:heat_sink"];
-    if (heatSink.rules) {
+    if (heatSink.rules && !solverMetadata.active) {
       for (const rule of heatSink.rules) {
         yield "Rule not met: " + parseRuleAsString(rule, { configurationHint: metadata.configuration });
       }
     }
   }
 
+  if ("nuclearcraft:overhaul_sfr:irradiator" in data.modules) {
+    if (solverMetadata?.flux) {
+      yield `Flux: ${solverMetadata.flux}`;
+    }
+  }
+
   yield {
     type: "italics",
     text: metadata.configurationAddon.name,

scripts/recipe-selector.js

@@ -88,7 +88,6 @@ function initializeRecipePicker({
     const filter = Filter.fromInput(filterElem);
     const recipeList = new DomList(parent.querySelector(":scope > .select"));
     recipeList.clear();
-    console.log(recipes);
     for (let i = 0; i < recipes.length; i++) {
       const recipe = recipes[i];
       const recipeItem = recipeList.makeItem();
@@ -131,9 +130,6 @@ function initializeRecipePicker({
 }
 
 function rescanDesignRecipes() {
-  console.log("rescan recipes");
-  console.log(configuration);
-
   const multiblockType = getPlannerMultiblockType();
 
   const configs = [
@@ -198,8 +194,6 @@ function rescanSelectionRecipes() {
   const tileMetadata = getAtlasMetadata(selectedCells.length > 0 ? selectedCells[0].dataset.tile : pickerTile);
   const tiles = findFullEntryFromAtlasMetadata(tileMetadata, { all: true });
 
-  console.log(tiles);
-
   if (!tiles[0] || !tiles[0].modules || !tiles[0].modules["ncpf:block_recipes"]) {
     return;
   }
@@ -207,7 +201,6 @@ function rescanSelectionRecipes() {
   const cellRecipes = selectedCells.map(v => getMetadata(v)?.block_recipe);
   const recipeSet = cellRecipes.some(v => v);
   const recipeAllSame = cellRecipes.every(v => v === cellRecipes[0] || checkEquivalence(v, cellRecipes[0]));
-  console.log(">", cellRecipes, recipeSet, recipeAllSame);
 
   const recipes = tiles.flatMap(t => t.modules["ncpf:block_recipes"].recipes);
 

scripts/solver.js

@@ -1,7 +1,24 @@
-import { emitEvent } from "./events.js";
+import { awaitEvent, emitEvent, listenTo } from "./events.js";
-import { getPlannerCellDom, getPlannerDom } from "./planner.js";
+import {
-import { findFullEntry } from "./ncpf-utils.js";
+  getPlannerCellDom,
-import { setCellMetadata, setDomMetadata } from "./metadata.js";
+  getPlannerCellsDom,
+  getPlannerDom,
+  getPlannerMultiblockSize,
+  getPlannerMultiblockType
+} from "./planner.js";
+import { checkEquivalence, findFullEntry, findFullEntryFromAtlasMetadata } from "./ncpf-utils.js";
+import { clearCellMetadata, deleteMetadata, getMetadata, setCellMetadata, setDomMetadata } from "./metadata.js";
+import { registerLoadCallback } from "./main.js";
+import { getAtlasMetadata } from "./atlas.js";
+import { initialize3dArray } from "./js-utils.js";
+
+const SFR_MODERATOR_MAX_LEN = 3;
+const SFR_MODERATOR_REFLECTOR_MAX_LEN = 2;
+
+registerLoadCallback(() => {
+  listenTo("fileLoad:end", runSolver);
+  listenTo("planner:cell:change", runSolver);
+});
 
 export function resetSolver(design = undefined, designConfiguration) {
   const planner = getPlannerDom();
@@ -22,10 +39,12 @@ export function resetSolver(design = undefined, designConfiguration) {
         for (let y = 0; y < design.dimensions[1]; y++) {
           for (let z = 0; z < design.dimensions[2]; z++) {
             const block = designConfiguration.blocks[design.design[x][y][z]];
+            const cellDom = getPlannerCellDom(x, y, z);
+            deleteMetadata(cellDom);
             if (!block || !block.modules || !block.modules["ncpf:block_recipes"]) continue;
             const blockRecipeIndex = designBlockRecipes.shift();
             const blockRecipe = block.modules["ncpf:block_recipes"].recipes[blockRecipeIndex];
-            setCellMetadata(getPlannerCellDom(x, y, z), "block_recipe", blockRecipe);
+            setCellMetadata(cellDom, "block_recipe", blockRecipe);
           }
         }
       }
@@ -34,3 +53,303 @@ export function resetSolver(design = undefined, designConfiguration) {
 
   emitEvent("solver:reset:done");
 }
+
+const sixAxes = {
+  "-X": { x: -1, y: 0, z: 0 },
+  "-Y": { x: 0, y: -1, z: 0 },
+  "-Z": { x: 0, y: 0, z: -1 },
+  "+X": { x: 1, y: 0, z: 0 },
+  "+Y": { x: 0, y: 1, z: 0 },
+  "+Z": { x: 0, y: 0, z: 1 },
+};
+function *travelUntil(grid, { x, y, z }, {x: dirX = 0, y: dirY = 0, z: dirZ = 0}, shouldStop = (pos) => false) {
+  x = Number(x);
+  y = Number(y);
+  z = Number(z);
+  while (!shouldStop({x, y, z})
+        && x > 0 && y > 0 && z > 0
+        && x < grid.length - 1 && y < grid[0].length - 1 && z < grid[0][0].length - 1) {
+    x += dirX;
+    y += dirY;
+    z += dirZ;
+    yield grid[x][y][z];
+  }
+}
+function neighbor(grid, { x, y, z }, {x: dirX = 0, y: dirY = 0, z: dirZ = 0}) {
+  x = Number(x);
+  y = Number(y);
+  z = Number(z);
+  if (x > 0 && y > 0 && z > 0
+        && x < grid.length - 1 && y < grid[0].length - 1 && z < grid[0][0].length - 1) {
+    x += dirX;
+    y += dirY;
+    z += dirZ;
+    return grid[x][y][z];
+  }
+}
+
+async function debugBlockSolver(data) {
+  const planner = getPlannerDom();
+
+  if (planner.dataset.debugSolver) {
+    emitEvent("solver:pause", data);
+    await awaitEvent("solver:continue");
+  }
+}
+
+export async function runSolver() {
+  const startTime = performance.now()
+  emitEvent("solver:begin");
+
+  const multiblockType = getPlannerMultiblockType();
+
+  const plannerBlocks = getPlannerCellsDom()
+      .map(b => ({ dom: b, ...b.dataset }))
+      .filter(b => b.tile !== "-1")
+      .map(b => (b.metadata ? { ...b, metadata: getMetadata(b.metadata) } : b));
+  const tileMap = Object.fromEntries([...new Set(plannerBlocks.map(b => b.tile))]
+      .map(idx => [idx, getAtlasMetadata(idx)])
+      .map(([idx, md]) => [idx, findFullEntry("blocks", md, { configurationHint: multiblockType })]));
+  plannerBlocks.forEach(v => v.tile = tileMap[v.tile]);
+  plannerBlocks.forEach(v => clearCellMetadata(v.dom, "active"));
+
+  const plannerBlocksGrid = initialize3dArray(...getPlannerMultiblockSize());
+  plannerBlocks.forEach(b => {
+    plannerBlocksGrid[b.x][b.y][b.z] = b;
+  });
+
+  if (multiblockType === "nuclearcraft:overhaul_sfr") {
+    const fuelCells = plannerBlocks.filter(b => b.tile.modules && b.tile.modules["nuclearcraft:overhaul_sfr:fuel_cell"]);
+    // const neutronSources = plannerBlocks.filter(b => b.tile.modules && b.tile.modules["nuclearcraft:overhaul_sfr:neutron_source"]);
+    // const reflectors = plannerBlocks.filter(b => b.tile.modules && b.tile.modules["nuclearcraft:overhaul_sfr:reflector"]);
+    // const shields = plannerBlocks.filter(b => b.tile.modules && b.tile.modules["nuclearcraft:overhaul_sfr:neutron_shield"]);
+    // const moderators = plannerBlocks.filter(b => b.tile.modules && b.tile.modules["nuclearcraft:overhaul_sfr:moderator"]);
+    const heatSinks = plannerBlocks.filter(b => b.tile.modules && b.tile.modules["nuclearcraft:overhaul_sfr:heat_sink"]);
+    // const irradiators = plannerBlocks.filter(b => b.tile.modules && b.tile.modules["nuclearcraft:overhaul_sfr:irradiator"]);
+    // const conductors = plannerBlocks.filter(b => b.tile.modules && b.tile.modules["nuclearcraft:overhaul_sfr:conductor"]);
+
+    fuelCells.forEach(cell => {
+      const recipeList = cell.tile.modules["ncpf:block_recipes"].recipes;
+      cell.recipe = recipeList.find(r => checkEquivalence(r, cell.metadata?.block_recipe));
+      // TODO: handle blank recipe
+      if (!cell.recipe) return; // FIXME
+      cell.axes = Object.values(sixAxes).map(dir => [...travelUntil(
+          plannerBlocksGrid,
+          cell,
+          dir,
+          ({x, y, z}) => {
+            const block = plannerBlocksGrid[x][y][z];
+            if (block === cell) {
+              return false;
+            }
+            if (!block) {
+              return false;
+            }
+            if (block.tile.modules) {
+              if (block.tile.modules["nuclearcraft:overhaul_sfr:fuel_cell"]) return true;
+              if (block.tile.modules["nuclearcraft:overhaul_sfr:reflector"]) return true;
+              if (block.tile.modules["nuclearcraft:overhaul_sfr:irradiator"]) return true;
+            }
+            return false;
+          }
+      )]);
+      if (cell.recipe.modules["nuclearcraft:overhaul_sfr:fuel_stats"].self_priming) {
+        cell.primer = cell;
+        cell.active = true;
+      } else if (cell.axes.some(a => (a[a.length - 1]?.tile?.modules ?? {})["nuclearcraft:overhaul_sfr:neutron_source"])) {
+        const primerAxis = cell.axes.find(a => (a[a.length - 1]?.tile?.modules ?? {})["nuclearcraft:overhaul_sfr:neutron_source"]);
+        cell.primer = primerAxis[primerAxis.length - 1];
+        cell.active = true;
+      }
+      setCellMetadata(cell.dom, "primer", cell.primer);
+    });
+    console.log(fuelCells)
+
+    await debugBlockSolver("primed");
+
+    const seenModerators = new Set();
+    const activeCells = fuelCells.filter(c => c.active);
+    let activeCellIndex = 0;
+    while (activeCellIndex < activeCells.length) {
+      const cell = activeCells[activeCellIndex];
+      if (!cell.axes) return; // ignore bad cells
+      Object.keys(sixAxes).map((directionName, i) => {
+        let valid = false;
+        let moderatorPath = [];
+        let length = 0;
+        let reflectMultiplier = 1;
+        let reflect = false;
+        let fluxDestination;
+        for (const block of cell.axes[i]) {
+          if (!block) break;
+
+          if (block.tile.modules["nuclearcraft:overhaul_sfr:moderator"]) {
+            moderatorPath.push(block);
+            seenModerators.add(block);
+            length += 1;
+            continue;
+          }
+          if (block.tile.modules["nuclearcraft:overhaul_sfr:neutron_shield"]) {
+            length += 1;
+            continue;
+          }
+          if (block.tile.modules["nuclearcraft:overhaul_sfr:fuel_cell"] || block.tile.modules["nuclearcraft:overhaul_sfr:irradiator"]) {
+            valid = length <= SFR_MODERATOR_MAX_LEN;
+            fluxDestination = block;
+          }
+          if (block.tile.modules["nuclearcraft:overhaul_sfr:reflector"]) {
+            valid = length <= SFR_MODERATOR_REFLECTOR_MAX_LEN;
+            reflect = true;
+            reflectMultiplier = block.tile.modules["nuclearcraft:overhaul_sfr:reflector"].reflectivity;
+            console.log(reflectMultiplier)
+            fluxDestination = cell;
+          }
+          break;
+        }
+        if (moderatorPath.length < 1) {
+          valid = false;
+        }
+        if (!valid) return;
+
+        moderatorPath[0].active = true;
+        let totalFlux = 0;
+        for (const mod of moderatorPath) {
+          totalFlux += mod.tile.modules["nuclearcraft:overhaul_sfr:moderator"].flux;
+          if (!mod.flux) {
+            mod.flux = {};
+          }
+          mod.flux[directionName] = totalFlux;
+        }
+        if (reflect) {
+          totalFlux *= reflectMultiplier;
+          const backAxis = directionName.replace(/^[+-]/, s => s === "+" ? "-" : "+");
+          for (const mod of moderatorPath.toReversed()) {
+            totalFlux += mod.tile.modules["nuclearcraft:overhaul_sfr:moderator"].flux * reflectMultiplier;
+            mod.flux[backAxis] = totalFlux;
+          }
+        }
+        fluxDestination.flux = (fluxDestination.flux ?? 0) + totalFlux;
+
+        if (fluxDestination.tile.modules["nuclearcraft:overhaul_sfr:fuel_cell"] && !fluxDestination.active) {
+          if (!fluxDestination.recipe) return; // FIXME
+          const fuelStats = fluxDestination.recipe.modules["nuclearcraft:overhaul_sfr:fuel_stats"];
+          if (fuelStats.criticality <= fluxDestination.flux) {
+            fluxDestination.active = true;
+            activeCells.push(fluxDestination);
+          }
+        }
+      });
+
+      activeCellIndex++;
+    }
+    seenModerators.forEach(moderator => {
+      setCellMetadata(moderator.dom, "flux", moderator.flux);
+      if (moderator.active) {
+        setCellMetadata(moderator.dom, "active", moderator.active);
+      }
+    });
+    fuelCells.forEach(cell => {
+      if (cell.flux) {
+        setCellMetadata(cell.dom, "flux", cell.flux);
+      }
+      setCellMetadata(cell.dom, "active", cell.active ?? false);
+    });
+
+    await debugBlockSolver("moderators");
+
+    heatSinks.forEach(hs => {
+      hs.neighbors = {};
+      Object.entries(sixAxes).forEach(([name, dir]) => {
+        hs.neighbors[name] = neighbor(plannerBlocksGrid, hs, dir);
+      });
+      hs.rules = hs.tile.modules["nuclearcraft:overhaul_sfr:heat_sink"].rules;
+    });
+    let heatSinkProcessed = false;
+    const unprocessedHeatSinks = new Set(heatSinks);
+    do {
+      heatSinkProcessed = false;
+      unprocessedHeatSinks.forEach(hs => {
+        if (hs.active) {
+          console.log("active hs in queue", hs);
+          return;
+        }
+        const activeNeighbors = Object.entries(hs.neighbors).filter(([_, n]) => {
+          if (!n) return false;
+          if (n.active) return true;
+          if (n.tile.modules) {
+            return n.tile.modules["nuclearcraft:overhaul_sfr:reflector"]
+                || n.tile.modules["nuclearcraft:overhaul_sfr:irradiator"]
+                || n.tile.modules["nuclearcraft:overhaul_sfr:casing"]
+                || n.tile.modules["nuclearcraft:overhaul_sfr:neutron_shield"];
+          }
+          return false;
+        });
+        if (activeNeighbors.length === 0) return;
+
+        let valid = false;
+        for (const rule of hs.rules) {
+          if (checkHeatSinkRule(hs, rule, activeNeighbors)) {
+            valid = true;
+            break;
+          }
+        }
+        if (valid) {
+          heatSinkProcessed = true;
+          unprocessedHeatSinks.delete(hs);
+          hs.active = true;
+          setCellMetadata(hs.dom, "active", true);
+        }
+      });
+    } while (heatSinkProcessed);
+    unprocessedHeatSinks.forEach(hs => {
+      setCellMetadata(hs.dom, "active", false);
+    });
+    console.log(unprocessedHeatSinks);
+
+    await debugBlockSolver("heatsinks");
+  }
+
+  const endTime = performance.now()
+  console.log(`Solver took ${endTime - startTime}ms`);
+}
+
+function checkHeatSinkRule(hs, rule, activeNeighbors) {
+  switch (rule.type) {
+    case "and":
+      return rule.rules.every(r => checkHeatSinkRule(hs, r, activeNeighbors));
+
+    case "or":
+      return rule.rules.some(r => checkHeatSinkRule(hs, r, activeNeighbors));
+
+    case "between": {
+      const blocks = activeNeighbors
+          .map(([,b]) => b.tile)
+          .filter(b => {
+            if (rule.block.type === "module") {
+              return b.modules && rule.block.name in b.modules;
+            }
+            return checkEquivalence(rule.block, b);
+          });
+      return rule.min <= blocks.length && blocks.length <= rule.max;
+    }
+    case "axial": {
+      const axialPairs = activeNeighbors
+          .filter(([,b]) => {
+            if (rule.block.type === "module") {
+              return b.tile.modules && rule.block.name in b.tile.modules;
+            }
+            return checkEquivalence(rule.block, b.tile);
+          })
+          .reduce((acc, [dir, block]) => {
+            acc[dir[1]] = acc[dir[1]] ?? [];
+            acc[dir[1]].push(block);
+            return acc;
+          }, {});
+      const count = Object.values(axialPairs).filter(p => p.length === 2).length;
+      return rule.min <= count && count <= rule.max;
+    }
+    default:
+      console.warn("unknown rule: %o", rule);
+      return false;
+  }
+}

style.css

@@ -268,6 +268,17 @@ input:not([type="checkbox"]):not([type="radio"]):not([type="file"]) {
     inset: 0;
     opacity: var(--overlay-opacity, 0.8);
 }
+.planner--cell > .planner--overlay[data-overlay="block_recipe"] {
+    transform: scale(var(--recipe-scale-factor, 0.8));
+}
+#planner .planner--cell > .planner--overlay[data-overlay="active"][data-active="true"] {
+    outline-offset: calc(var(--scale-factor) * -1px);
+    outline: calc(var(--scale-factor) * 1px) solid var(--cell-active-outline, #0f08);
+}
+#planner .planner--cell > .planner--overlay[data-overlay="active"][data-active="false"] {
+    outline-offset: calc(var(--scale-factor) * -1px);
+    outline: calc(var(--scale-factor) * 1px) solid var(--cell-inactive-outline, #f008);
+}
 
 .planner--resize {
     --resize-width: var(--width);